Do symptoms of autism change over time?
ASD varies widely in severity and symptoms and may go unrecognized, especially in mildly affected children or when it is masked by more debilitating handicaps. Very early indicators that require evaluation by an expert include: no babbling or pointing by age 1 no single words by 16 months or two-word phrases by age 2 no response to name loss of language or social skills poor eye contact excessive lining up of toys or objects no smiling or social responsiveness. Later indicators include: impaired ability to make friends with peers impaired ability to initiate or sustain a conversation with others absence or impairment of imaginative and social play stereotyped, repetitive, or unusual use of language restricted patterns of interest that are abnormal in intensity o...